You can get a swab put down your dickhole to test for STIs, that's meant to hurt, when you can just do a urine test.
Also heard of people using some sort of stick to to put in and have a pull, you...
sloth brah is known to be THE most hung guy in the jungle, possibly one of the biggest in the world. his cock has been described as "like an evian bottle", with gargantual thickness that would rival...